import { err, ok, type CommandContext } from "@tailor-platform/erp-kit/core";
import { reject } from "../domain/salesOrder";
import type { Transaction } from "../generated/kysely-tailordb";
import { SalesOrderNotFoundError } from "../lib/errors.generated";
import {
  createSalesOrderRepository,
  type SalesOrderRepository,
} from "../repository/salesOrderRepository";

export interface RejectSalesOrderInput {
  salesOrderId: string;
  rejectionReason: string;
}

export async function run(
  db: Transaction,
  input: RejectSalesOrderInput,
  _ctx: CommandContext,
  repositoryFactory: (db: Transaction) => SalesOrderRepository = createSalesOrderRepository,
) {
  const repository = repositoryFactory(db);
  const order = await repository.findById(input.salesOrderId, { forUpdate: true });
  if (!order) {
    return err(new SalesOrderNotFoundError(input.salesOrderId));
  }

  const rejected = reject(order, input.rejectionReason);
  if (!rejected.ok) {
    return rejected;
  }

  await repository.save(rejected.value);
  return ok({ salesOrderId: rejected.value.id });
}